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Year : 2015  |  Volume : 47  |  Issue : 3  |  Page : 311-315

Hepatoprotection by active fractions from Desmostachya bipinnata stapf (L.) against tamoxifen-induced hepatotoxicity

1 SKB College of Pharmacy, RTM Nagpur University, Kamptee, Maharashtra, India
2 Research Scholar, Karpagam University, Coimbatore, Tamilnadu, India

Correspondence Address:
Dr. Kalpana Pravin Rahate
SKB College of Pharmacy, RTM Nagpur University, Kamptee, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0253-7613.157130

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Objective: The aim was to evaluate the effect of the polyphenolic fraction of Desmostachya bipinnata Stapf (PFDB) (Poaceae) on tamoxifen (TAM)-induced liver damage in female Sprague-Dawley rats. Materials and Methods: The roots of Desmostachya bipinnata were extracted in 70% methanol, and the polyphenolic fraction was isolated. Protection of BRL3A cells against ethanol-induced damage was determined by 3-(4,5-dimethyl thiazol-2-yl)-2,5-diphenyl tetrazolium bromide assay. Hepatotoxicity was induced in rats by oral administration of TAM (45 mg/kg/day) for 21 days. The PFDB was administered to experimental animals at two selected doses (100 and 200 mg/kg/day) during the treatment. The serum levels of various biochemical parameters and the antioxidant enzymes were examined by standard procedures. Results: A dose-dependent increase in percentage viability was observed when ethanol-exposed BRL3A cells were treated with PFDB. Both the treatment groups upon pretreatment with PFDB exhibited a significant (P ≤ 0.05) protective effect by lowering serum glutamic oxaloacetic transaminase, serum glutamic pyruvic transaminase, alkaline phosphatase, triglycerides, cholesterol, urea, uric acid, bilirubin and creatinin levels and improving protein level in serum in dose-dependent manner, which was comparable to that of silymarin group. In addition, PFDB prevented elevation of reduced glutathione, glutathione peroxidase, superoxide dismutase and catalase in the TAM-intoxicated rats in concentration-dependent manner and significantly (P < 0.05) reduced the lipid peroxidation in the liver tissue. The biochemical observations were supplemented with histopathological reports, which showed the attenuation of hepatocellular necrosis. Conclusions: The results of this study strongly indicate that the polyphenolic fraction of the plant roots has a potent hepatoprotective action against TAM-induced hepatic damage in rats.


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